Bioassay for Neutron-Dose Estimations of Three Patients in the JCO Criticality Accident in Tokai-mura by Measuring β-ray Emitters | Zendy

Hiroshi Takeda | Zendy; Kiriko Miyamoto | Zendy; Masae Yukawa | Zendy; Yoshikazu Nishimura | Zendy; Yoshito Watanabe | Zendy; Hee Sun Kim | Zendy; Shoichi Fuma | Zendy; Noriko Kuroda | Zendy; Fuyuki Kouno | Zendy; Hisamasa Joshima | Zendy; Toshiyasu Hirama | Zendy; Makoto Akashi | Zendy

Open Access

Bioassay for Neutron-Dose Estimations of Three Patients in the JCO Criticality Accident in Tokai-mura by Measuring β-ray Emitters

Author(s) -

Hiroshi Takeda,

Kiriko Miyamoto,

Masae Yukawa,

Yoshikazu Nishimura,

Yoshito Watanabe,

Hee Sun Kim,

Shoichi Fuma,

Noriko Kuroda,

Fuyuki Kouno,

Hisamasa Joshima,

Toshiyasu Hirama,

Makoto Akashi

Publication year - 2001

Publication title -

journal of radiation research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.643

H-Index - 60

eISSN - 1349-9157

pISSN - 0449-3060

DOI - 10.1269/jrr.42.s129

Subject(s) - neutron , criticality , nuclear medicine , urine , bioassay , radiochemistry , medicine , physics , chemistry , biology , nuclear physics , ecology

The measurement of beta-emitters in biological samples (hair, urine and bone) from three patients in the JCO criticality accident was performed to assess the neutron dose to individuals. The result of the measurements of 32P in hair and urine collected immediately after the accident showed that sufficient 32P activities had been induced in the hair by fast neutrons and in the urine by thermal neutrons to know the severity of the exposure to the individuals and to the position. From the measurement of 32P and 45Ca in bone from various anatomical parts of two patients who died 82 and 210 days after the accident, it was suggested that the distribution of the induced beta-emitters activities could prove the position and posture of the patients at the moment of exposure.

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